Home / 105,371,708.13-158,056,675.47-82,361,996.82

Finding the Fourth Proportional to 105,371,708.13, 158,056,675.47 and 82,361,996.82

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Solution

The fourth proportional to 105,371,708.13, 158,056,675.47 and 82,361,996.82 is: 123,542,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,371,708.13 : 158,056,675.47 = 82,361,996.82 : x
  2. Step 2: Convert to fraction form
    105,371,708.13/158,056,675.47 = 82,361,996.82/x
  3. Step 3: Cross multiply
    105,371,708.13x = 158,056,675.47 × 82,361,996.82
  4. Step 4: Simplify right side
    105,371,708.13x = 13,017,863,402,439,910
  5. Step 5: Solve for x
    x = 13,017,863,402,439,910/105,371,708.13
  6. Step 6: Final answer
    x = 123,542,302.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.